Correct option is B
Formula Used:
Sum of the squares of first n natural numbers =
Solution:
Sum of square of first 18 numbers = = 2109
Sum of square of first 2 numbers= =5
Sum of square from 3 to 18 = 2109 -5 =2104
What is the sum of the squares of the numbers from 3 to 18?
Formula Used:
Sum of the squares of first n natural numbers =
Solution:
Sum of square of first 18 numbers = = 2109
Sum of square of first 2 numbers= =5
Sum of square from 3 to 18 = 2109 -5 =2104
Find the smallest number which when increased by 20 is completely divisible by 12, 20, 15, 18 and 24.
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